4th axis cnc indexer ist video
used a rockwell lathe as an indexer on the cnc machine , located at the front end of the cnc machine
https://youtu.be/wlq69qAogSU
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2nd video showing the 4th axis setup
I added an extra stepper motor to drive the lathe, some some experimenting but it worked
https://youtu.be/HQ6oosT4TQA
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this was done some time back , in summary a person can turn a leg out faster that the cnc machine
but the cnc can actually carve out a detailed carving on the turning , a person would need a lot of time to do this
It was a good experiment for me I did all the research , wiring and mechanical work and got advice form some professionals
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showing carving out a graphic of grapes on a large wood turning or cylinder
wrapping some art on a large wood turned cylinder
https://youtu.be/7mZhLV-YPlM